521 lines
13 KiB
Plaintext
521 lines
13 KiB
Plaintext
--disable_query_log
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set @@session.explicit_defaults_for_timestamp=off;
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--enable_query_log
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# owner: dachuan.sdc
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# owner group: SQL2
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# tags: optimizer
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# description:
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#
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--disable_warnings
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drop database if exists view;
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--enable_warnings
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create database view;
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use view;
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set character_set_client = 45;
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#
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## test view schema weak-binding
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#
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#simple
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--disable_warnings
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drop table if exists t1;
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drop view if exists v, vv;
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--enable_warnings
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create table t1(c1 int, c2 int);
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create view v as select c1, c2 from t1;
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create view vv as select c1 from v;
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select c1, c2 from v;
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alter table t1 drop column c2;
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--error 1356
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select c1 from v;
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--error 1356
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select c2 from v;
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--error 1356
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select c1, c2 from v;
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drop table t1;
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--error 1356
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select c1 from v;
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--error 1356
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select c2 from v;
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--error 1356
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select c1, c2 from v;
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create table t1(c1 int);
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--error 1356
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select c1 from vv;
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--error 1356
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select c2 from vv;
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--error 1356
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select c1, c2 from vv;
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--error 1356
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select 1 as a from vv;
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--disable_warnings
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drop table if exists t1;
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drop view if exists v, vv;
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--enable_warnings
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create table t1(c1 int, c2 int);
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create view v as select c1, c2 from t1;
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create view vv as select c2 from v;
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select c1, c2 from v;
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alter table t1 drop column c2;
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--error 1356
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select c1 from v;
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--error 1356
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select c2 from v;
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--error 1356
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select c1, c2 from v;
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drop table t1;
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--error 1356
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select c1 from v;
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--error 1356
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select c2 from v;
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--error 1356
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select c1, c2 from v;
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create table t1(c1 int);
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--error 1356
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select c1 from vv;
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--error 1356
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select c2 from vv;
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--error 1356
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select c1, c2 from vv;
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--error 1356
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select c2, c1 from vv;
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--error 1356
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select 1 as a from vv;
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#select * from view
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--disable_warnings
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drop table if exists t1,t2;
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drop view if exists v,vv;
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--enable_warnings
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create table t1(c1 int ,c2 int);
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create table t2(c1 int ,c2 int);
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create view v as select c1, c2 from t1;
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create view vv as select c1 from v;
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alter table t1 drop column c2;
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--error 1356
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select * from v;
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--error 1356
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select v.* from v;
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--error 1356
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select * from vv;
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--error 1356
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select vv.* from vv;
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#join on and using
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--disable_warnings
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drop table if exists t1,t2;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create table t2(c1 int,c2 int);
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create view v as select c1, c2 from t1;
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alter table t1 drop column c2;
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--error 1356
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select v.c1 from v join t2 on v.c1 = t2.c1;
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--error 1356
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select v.c1 from v join t2 on v.c2 = t2.c2;
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--error 1356
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select v.c1 from v join t2 using(c1);
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--error 1356
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select v.c1 from v join t2 using(c2);
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#column in where
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--disable_warnings
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drop table if exists t1,t2;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create view v as select c1, c2 from t1;
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select c1 from v where c2 = 1;
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select c1 from v where (select c2) = 1;
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alter table t1 drop column c2;
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--error 1356
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select c1 from v where c2 = 1;
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--error 1356
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select c1 from v where (select c2) = 1;
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#column in order by
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--disable_warnings
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drop table if exists t1,t2;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create view v as select c1, c2 from t1;
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select c1 from v order by c2;
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select c1 from v order by (select c2);
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alter table t1 drop column c2;
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--error 1356
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select c1 from v order by c2;
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--error 1356
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select c1 from v order by (select c2);
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#column in group by
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--disable_warnings
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drop table if exists t1,t2;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create view v as select c1, c2 from t1;
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select c1 from v group by c2;
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select c1 from v group by (select c2);
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alter table t1 drop column c2;
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--error 1356
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select c1 from v group by c2;
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--error 1356
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select c1 from v group by (select c2);
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#column in having
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#drop table if exists t1,t2;
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#drop view if exists v;
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#create table t1(c1 int,c2 int);
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#create view v as select c1, c2 from t1;
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#select c1 from v having c2 = 1;
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#select c1 from v having (select c2) = 1;
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#alter table t1 drop column c2;
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#--error 1054
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#select c1 from v having c2 = 1;
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#--error 1356
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#select c1 from v having (select c2) = 1;
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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insert into t1 values(1,2),(2,3),(3,4);
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create view v as select c1,c2 from t1 order by c2;
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alter table t1 drop column c2;
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#order by 即使是从select里找到了c2(select中的c2不报错是因为view_stmt)，因为select里面的c2也是无效列，因此最终结果也是视图无效
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--error 1356
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select c1 from v;
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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insert into t1 values(1,2),(2,3),(3,4);
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create view v as select c1, -1 as c2 from t1 order by (select c2);
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select c1 from v;
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alter table t1 drop column c2;
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# a select c2提升上来之后从t1基础列里面找不到就直接报错，不会再去select_items找
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--error 1356
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select c1 from v;
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# b (bug)
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#select c1 from (select c1, -1 as c2 from t1 order by (select c2)) v;
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create view v as select c1,c2 from t1 where c2=1;
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alter table t1 drop column c2;
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--error 1356
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select c1 from v;
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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insert into t1 values(1,2),(2,3),(3,4);
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create view v as select c1, -1 as c2 from t1 order by (select c2);
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alter table t1 drop column c2;
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--error 1356
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select c1 from v;
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# agg
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create view v as select c1,sum(c2) from t1;
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alter table t1 drop column c2;
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--error 1356
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select c1 from v;
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#insert
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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insert into t1 values(1,2),(2,3),(3,4),(4,5);
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create view v as select c1,c2 from t1;
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select * from v;
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alter table t1 drop column c2;
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--error 1356
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select c1 from v;
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--error 1356
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select c2 from v;
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--error 1356
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select * from v;
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alter table t1 add column c2 int default 100;
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select * from v;
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alter table t1 alter column c2 set default 200;
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insert into t1(c1) values(5);
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select * from v;
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#alter table t1 change column c1 c1 varchar(20) default 'test';
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#insert into t1 values();
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#select * from v;
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#
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##test desc (show columns from table)
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#
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int);
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create view v as select c1 from t1;
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desc v;
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--disable_warnings
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drop table if exists t1,t2;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int);
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create table t2(c1 int);
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create view v as (select c1 from t1) union (select c1 from t2);
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desc v;
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create view v as select c1,c2 from t1;
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desc v;
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alter table t1 drop column c2;
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--error 1356
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desc v;
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--disable_warnings
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drop table if exists t1;
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drop view if exists v,vv;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create view v as select c1,c2 from t1;
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create view vv as select c1,c2 from v;
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alter table t1 drop column c2;
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--error 1356
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desc v;
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--error 1356
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desc vv;
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--disable_warnings
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drop table if exists t1;
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drop view if exists v,vv;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create view v as select c1,c2 from t1;
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create view vv as select c1,c2 from v;
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create or replace view v as select c1 from t1;
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desc v;
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--error 1356
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desc vv;
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create or replace view vv as select c1 from v;
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desc vv;
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--disable_warnings
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drop table if exists t1,t2,t3,t4;
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drop view if exists v,vv;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create table t2(c1 int,c2 int);
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create table t3(c1 int,c2 int);
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create table t4(c1 int,c2 int);
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create view v as ((select * from t1) union (select c1,c2 from t2)) union (select * from t3);
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desc v;
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create view vv as (select * from v) union (select * from t4);
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desc vv;
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--disable_warnings
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drop table if exists t1,t2;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create table t2(c1 int,c2 int);
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create view v as select c1,c2 from t1;
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select (select c2 from v limit 1) from t2;
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alter table t1 drop column c2;
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--error 1356
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select (select c2 from v limit 1) from t2;
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--error 1356
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select (select c3 from v limit 1) from t2;
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alter table t2 add column c3 int;
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--error 1356
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select (select c3 from v limit 1) from t2;
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#
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##Bug
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#
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--disable_warnings
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drop table if exists t1;
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drop view if exists t1;
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drop table if exists v1,v2,v3;
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drop view if exists v1,v2,v3;
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--enable_warnings
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create table t1(c1 int);
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create view v1 as select * from t1;
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create view v2 as select * from v1;
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create view v3 as select * from v2;
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drop table t1;
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rename table v3 to t1;
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--error 1462
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select * from v1;
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--error 1462
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select * from v2;
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--error 1146
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select * from v3;
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--disable_warnings
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drop table if exists t1,t2;
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drop view if exists t1,t2;
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drop table if exists v1,v2,v3;
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drop view if exists v1,v2,v3;
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--enable_warnings
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create table t1(c1 int);
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create table t2(c1 int);
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create view v1 as select * from t1;
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create view v2 as select * from t2;
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create view v3 as select v1.c1 as v1c1, v2.c1 as v2c1 from v1,v2;
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drop table t2;
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rename table v3 to t2;
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--error 1462
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select * from t2;
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--error 1462
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select * from v2;
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--disable_warnings
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drop table if exists t1,t2;
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drop view if exists t1,t2;
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drop table if exists v1,v2;
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drop view if exists v1,v2;
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--enable_warnings
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create table t1(c1 int);
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create table t2(c1 int);
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create view v1 as select * from t1;
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create view v2 as select (select c1 from v1 limit 1) from t2;
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drop table t1;
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rename table v2 to t1;
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--error 1462
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select * from t1;
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--error 1462
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select * from v1;
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--disable_warnings
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drop table if exists t1;
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drop view if exists t1;
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drop table if exists v1,v2,v3,v4;
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drop view if exists v1,v2,v3,v4;
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--enable_warnings
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create table t1(c1 int);
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create view v1 as select * from t1;
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create view v2 as select * from v1;
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create view v3 as select * from v2;
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create view v4 as select * from v2;
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drop view v1;
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rename table v4 to v1;
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--error 1462
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select * from v1;
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--error 1462
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select * from v2;
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--error 1462
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select * from v3;
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#
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## Bug :
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## 主要测试在非select语句引用select_stmt(view展开)的问题，select结果作为其它stmt的输入暂时不支持，
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## 这里仅仅针对bug加入回归case
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#
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--error 1235
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SET optimizer_switch = (SELECT variable_value FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME = 'optimizer_switch');
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--disable_warnings
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drop table if exists t1,t2;
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drop view if exists v1;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create table t2(c1 int,c2 int);
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insert into t1(c1,c2) values(1,2),(2,3);
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create view v1 as select * from t1;
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insert into t2(c1,c2) select * from v1;
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select * from t2;
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#Bug 对于基表schema失效的视图，查询成功后不应该有warning
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create view v as select * from t1;
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alter table t1 drop column c2;
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--error 1356
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select c1 from v;
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show warnings;
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#Bug 对于基表schema失效的视图，查询成功后不应该有warning
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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create view v as select * from t1;
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alter table t1 drop column c2;
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--error 1356
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select c1 from v;
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show warnings;
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#Bug 创建视图中包含not exists子查询出错
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1(c1 int,c2 int);
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insert into t1 values(1, 1);
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create view v as select * from t1 where not exists(select * from t1 where c1>0);
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--source mysql_test/include/show_create_table_old_version_replica2.inc
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show create view v;
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select * from v;
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create view xy as select 123 from dual where not exists (select 1 from dual) limit 1;
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select * from xy;
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#Bug 创建视图中包含union子句并且类型为char的时候长度出错
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--disable_warnings
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drop table if exists t1;
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drop table if exists t2;
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drop view if exists v;
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--enable_warnings
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create table t1 (k int primary key, v1 int, v2 int);
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create table t2 (k int primary key, v1 char(1), v2 varchar(10));
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create view v as select k, v1, v2 from t1 union select k, v1, v2 from t2;
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--source mysql_test/include/show_create_table_old_version_replica2.inc
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show create view v;
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select * from v;
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--disable_warnings
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drop table if exists t1;
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drop view if exists v;
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--enable_warnings
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create table t1 (k int, v int);
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create view v as (select k, v from t1) union (select 1, 1 from t1);
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--source mysql_test/include/show_create_table_old_version_replica2.inc
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show create view v;
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--disable_warnings
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drop table if exists t1;
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drop table if exists t2;
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--enable_warnings
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CREATE TABLE `t11` ( `a` int(11) NOT NULL, `b` int(11) DEFAULT NULL, `c` int(11) DEFAULT NULL, PRIMARY KEY (`a`) );
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CREATE TABLE `t21` ( `a` int(11) NOT NULL, `b` int(11) DEFAULT NULL, `c` int(11) DEFAULT NULL, PRIMARY KEY (`a`) );
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--real_sleep 3
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explain extended_noaddr select t3.* from (select t11.a as X, t21.a as Y from t11 left join t21 on t11.a = t21.a) as t3 where t3.y is not null and t3.x > 10;
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drop database if exists view;
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